This pack of 25 pcs Snap/Lock PTO pins from Fast-n-rs is an essential item for securing your equipment. With a pin length of 1-3/4 in and a pin diameter of 5/16 in, these round two wire pins are made from carbon steel and have a zinc-plated finish. The effective length of the pin is 1-1/2 in, making it suitable for a variety of applications. The tab-lock and safety pin type of these pins make them easy to use and secure. They are manufactured in India and come with a system of measurement in inches. These pins are perfect for those in the business and industrial sectors looking for reliable and efficient fastening pins.